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Justin Gregoire
Data scientist with seven years of experience providing data-driven insights to organizations. Skilled in all aspects of data analytics, including tool development, dataset extraction, experiment analysis, statistical modeling, and metric creation from imperfect data. Adept at collaborating with stakeholders to shape crucial decisions affecting millions of users. Experienced in diverse industries such as ed tech, social media, eCommerce, and cloud services.
Professional Experience
Senior Data Scientist, Product Analytics
TikTok
Mountain View, CA
2023 - 2022
- Evaluated Tiktok’s US e-Commerce rollout performance, compared it to previous geographical launches, and suggested product enhancements to tackle pain points and capitalize on opportunities.
- Created RFM segmentation using purchase behavior and proposed product strategies to expand high-value segments.
Senior Data Scientist
Skillshare
New York, NY
2022 - 2021
- Led data science efforts for marketplace expansion, analyzing product features to enhance core membership. Utilized k-means clustering to segment teachers by engagement, deriving critical insights. Employed cluster data to assess monetization potential and prioritize feature proposals under resource constraints. Showcased potential sales growth of 5-50% through rapid testing and iterative learning plans.
- Embedded data scientist with personalization & discovery teams to design and analyze experiments for content recommendation algorithm updates, onboarding enhancements, and Search/Browse functionality improvements.
- Developed self-serve tools to streamline experiment analysis and planning for product teams and foster best practices
Data Scientist
Skillshare
New York, NY
2021 - 2020
- Collaborated with VP of Growth to evaluate international expansion markets using internal and external data. Presented insights, proposed strategy to CEO, executive team, and ultimately gained company approval.
- Built an external facing algorithm projecting teachers’ upcoming monthly royalty payments, subsequently increasing teacher retention and satisfaction scores.
Marketing Analytics Manager
Skillshare
New York, NY
2020 - 2019
- Partnered with product’s growth pod on A/B + multivariate experiment design and analysis of various subscription pricing strategies.
- Implemented a “first touch” marketing attribution model by assessing various heuristic and algorithmic methods, considering output accuracy, ease of implementation, and interpretability.
Digital Senior Analyst, Marketing Analytics @ Google
Accenture
San Francisco, CA
2019 - 2017
- Headed a team of 4 data analysts for a crucial acquisition project, collaborating with marketing, sales, and engineering to establish metrics and build supporting data pipelines and reporting
Digital Analyst @ Zynga
Accenture
San Francisco, CA
2017 - 2016
- Collaborated with the VP of User Acquisition on analytics projects, boosting returns on ad spend from 70% to 115% for a yearly investment exceeding $100M. Developed executive reports and implemented real-time user LTV modeling, enabling marketers to optimize budgets efficiently.